A salesperson demonstrates the Apple iPhone 4 in New Delhi, India. While mobile device use is growing rapidly in emerging markets, Apple's current product line may prove prohibitively expensive for many consumers.
Manish Swarup/AP
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In much of America, the availability of online video is often frustrated by slow broadband speeds. In this 2011 photo, Valerie Houde waits for a dial-up Internet connection in East Burke, Vt.
Andy Duback/AP
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